541829.fig.001a
(a)
541829.fig.001b
(b)
541829.fig.001c
(c)
541829.fig.001d
(d)
541829.fig.001e
(e)
Figure 1: Deconvoluted ESI-TOF MS spectra of the recombinant Zn(II)-MT complexes obtained from the pGEX-MT expression system with no zinc supplementation to the culture: (a) mouse MT1; (b) yeast Crs5; (c) D. melanogaster MtnB and (d) D. melanogaster MtnA. (e) MtnB was also synthesized in zinc-enriched medium, to be used as a control.